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两种控温储粮技术对东北粳稻品质变化的影响研究
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Research on Effect of Two Temperature-controlled Grain Storage Techniques on Quality Change of Northeast Japonica Rice
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    摘要:

    利用空调控温和内环流控温两种储粮技术,开展东北粳稻品质变化研究实仓实验,分析粮情、储存品质、蒸煮品质、质构品质及能耗变化情况,结果表明:控温储粮期间,两种技术能使仓温保持在20~25 ℃,表层粮温控制在23 ℃以内,但空调控温效果更明显,而内环流储粮具有较好的保水效果,其表层粳稻水分含量下降了0.2%,且运行费用较低;储藏期间,两试验仓粳稻的水分、品尝评分值、米汤pH值、米饭的粘性和弹性均呈下降趋势,而脂肪酸值、米饭吸水率、膨胀率、米饭硬度、胶着性和咀嚼性均呈上升趋势,且在储藏过程中,两种储粮技术均能有效延缓粳稻的品质劣变,确保东北粳稻的安全度夏和实现绿色保质储藏。

    Abstract:

    In this paper, two kinds of temperature control technology in grain storage including air conditioning and inner circulation were carried out in actual warehouse quality test of northeast japonica rice to analyzed the changes of grain condition, storage quality, cooking quality, texture quality and change of energy consumption. The results showed that both technologies can keep the warehouse temperature at 20 ℃~25 ℃ and the surface grain temperature was within 23 ℃, but air conditioning for controlling temperature effect was more obvious, and the inner circulation grain storage had better water retention effect, the moisture content of surface japonica rice decreased by only 0.2%, and the operating cost was lower; During storage, the moisture content, taste score value, pH value of rice soup, viscosity and elasticity of rice all showed a decreasing trend in two warehouse, and fatty acid value, water absorption and expansion rate of rice, rice hardness, conglutination and chewing were on the rise, in the process of storage, both kinds of grain storage technology can effectively delay the quality deterioration of japonica rice, ensure the safety of northeast japonica rice for summer and achieve the green storage with good quality.

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赵 旭,曹 毅,董 梅,林子木,赵海波,李欣蔚,李 佳*.两种控温储粮技术对东北粳稻品质变化的影响研究[J].粮油食品科技,2021,29(1):194-199.

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  • 在线发布日期: 2021-01-20
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